deploy-preview.yml

name: Preview Deployment
on: [pull_request]

env:
  NEON_DATABASE_USERNAME: ${{ secrets.NEON_DATABASE_USERNAME }} # change this to your database username
  GH_TOKEN: ${{ secrets.GH_TOKEN }} # Required for commenting on pull requests for private repos
  NEON_API_KEY: ${{ secrets.NEON_API_KEY }} # You can generate a an API key in your account settings
  NEON_PROJECT_ID: ${{ secrets.NEON_PROJECT_ID }} # You can find this in your project settings
  FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }} # You can generate a Fly API token in your account settings

jobs:
  deploy-preview:
    runs-on: ubuntu-latest

    # Only run one deployment at a time per PR.
    concurrency:
      group: pr-${{ github.event.number }}

    steps:
      - uses: actions/checkout@v4
      - uses: pnpm/action-setup@v2
        with:
          version: 8
      - name: Use Node.js 18
        uses: actions/setup-node@v4
        with:
          node-version: 18
          cache: "pnpm"
      - name: Install dependencies
        run: pnpm install

      - name: Get branch name
        id: branch-name
        uses: tj-actions/branch-names@v8

      - name: Create Neon Branch
        id: create-branch
        uses: neondatabase/create-branch-action@v4
        with:
          project_id: ${{ env.NEON_PROJECT_ID }}
          # parent: dev # optional (defaults to your primary branch)
          branch_name: preview/pr-${{ github.event.number }}-${{ steps.branch-name.outputs.current_branch }}
          username: ${{ env.NEON_DATABASE_USERNAME }}
          api_key: ${{ env.NEON_API_KEY }}

      - name: Run Migrations
        run: |
          touch .env

          echo DATABASE_URL=${{ steps.create-branch.outputs.db_url_with_pooler }}?sslmode=require >> .env

          pnpm run db:migrate

      - name: Deploy
        id: deploy
        uses: superfly/fly-pr-review-apps@1.2.0
        with:
          secrets: DATABASE_URL=${{ steps.create-branch.outputs.db_url }}?sslmode=require

      - name: Comment on Pull Request
        uses: thollander/actions-comment-pull-request@v2
        with:
          # GITHUB_TOKEN: ${{ env.GH_TOKEN }} # Required for commenting on pull requests for private repos
          message: |
            Fly Preview URL :balloon: : ${{ steps.deploy.outputs.url }}
            Neon branch :elephant: : https://console.neon.tech/app/projects/${{ secrets.NEON_PROJECT_ID }}/branches/${{ steps.create-branch.outputs.branch_id }}